<template>
 <div class="wrapper">
   <swiper :options="swiperOption" v-if="showSwiper">
       <!-- slides -->
       <swiper-slide v-for='item of list' :key='item.id'>
         <img class="swiper-img" :src="item.imgUrl">
       </swiper-slide>
       <!-- Optional controls -->
       <div class="swiper-pagination"  slot="pagination"></div>
     </swiper>
 </div>
</template>

<script>
export default {
  name: 'HomeSwiper',
  props:{
    list:Array
  },
  data() {
    return {
      swiperOption: {
        pagination:'.swiper-pagination',
        loop:true
      }
    }
  },
  // 使页面第一张就显示第一张
  computed: {
    showSwiper(){
      return this.list.length
    }
  }
}
</script>

<style lang="stylus" scoped>
  .wrapper >>> .swiper-pagination-bullet-active
    background :white !important
  .wrapper
    overflow:hidden
    width:100%
    height:0
    padding-bottom: 25%
    .swiper-img
      width:100%
</style>
